Low cost solution to the heavy weight objects movement, Wheel casters like our VXB005200WC are used to roll your machine or equipment back and forth. And rolling on wheel that has 200mm diameter/7.874" inch. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 240mm = 9.449" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 115mm x 100mm x 5.5mm with the holes distance of 72mm x 85mm. This caster wheel core material is Cast Iron and has a Cast Iron tire spinning over Roller bearing. Each caster will carry the load of 772 lb and is Swivel type. Temperature range is -40 to 180 F. Buy our VXB005200WC, we wish all the best.